prosopiten.

Brit.

/ˈprɒzə(ʊ)pʌɪt/,

/prɒˈsəʊpʌɪt/, U.S.

/ˈprɑzoʊˌpaɪt/,

/prəˈsoʊˌpaɪt/

Origin: A borrowing from German. Etymon: German Prosopit.

Etymology: < German Prosopit (T. Scheerer 1853, in Ann. der Physik u. Chem. 90 320) < ancient Greek πρόσωπον face, mask (see prosopon n.) + German -it -ite suffix¹, so called in allusion to its deceptive (i.e. pseudomorphic) character.

Mineralogy.

A fluoride mineral usually occurring as minute, tabular crystals of a colourless, white, or greyish colour, often altered into pseudomorphs such as fluorite, apatite, and kaolin.Prosopite consists of a fluoride and hydroxide of aluminium and calcium, CaAl₂(F,OH)₈. Crystal system: monoclinic.

ΘΚΠ

the world > the earth > minerals > types of mineral > halides > [noun] > other fluorides

cryolite1800

yttrocerite1817

fluocerite1835

prosopite1854

pachnolite1866

thomsenolite1868

tysonite1880

hieratite1882

villiaumite1908

neighborite1961

1854 J. D. Dana Syst. Mineral. (ed. 4) 502 Prosopite..occurs at the tin mines of Altenberg.

1899 Amer. Jrnl. Sc. 4th Ser. 7 53 If the assumptions made in the foregoing are justified, the Utah mineral is prosopite.

1951 C. Palache et al. Dana's Syst. Mineral. (ed. 7) II. 122 In the United States, unaltered prosopite has been found in the cryolite-pegmatite on St. Peter's Dome,..Colorado.

1995 Mineral. Rec. 26 554/1 Prosopite is the most abundant alumino-fluoride mineral at the Morefield mine.

This entry has been updated (OED Third Edition, June 2007; most recently modified version published online March 2022).

单词	prosopite
释义	prosopiten. Brit. /ˈprɒzə(ʊ)pʌɪt/, /prɒˈsəʊpʌɪt/, U.S. /ˈprɑzoʊˌpaɪt/, /prəˈsoʊˌpaɪt/ Origin: A borrowing from German. Etymon: German Prosopit. Etymology: < German Prosopit (T. Scheerer 1853, in Ann. der Physik u. Chem. 90 320) < ancient Greek πρόσωπον face, mask (see prosopon n.) + German -it -ite suffix¹, so called in allusion to its deceptive (i.e. pseudomorphic) character. Mineralogy. A fluoride mineral usually occurring as minute, tabular crystals of a colourless, white, or greyish colour, often altered into pseudomorphs such as fluorite, apatite, and kaolin.Prosopite consists of a fluoride and hydroxide of aluminium and calcium, CaAl₂(F,OH)₈. Crystal system: monoclinic. ΘΚΠ the world > the earth > minerals > types of mineral > halides > [noun] > other fluorides cryolite1800 yttrocerite1817 fluocerite1835 prosopite1854 pachnolite1866 thomsenolite1868 tysonite1880 hieratite1882 villiaumite1908 neighborite1961 1854 J. D. Dana Syst. Mineral. (ed. 4) 502 Prosopite..occurs at the tin mines of Altenberg. 1899 Amer. Jrnl. Sc. 4th Ser. 7 53 If the assumptions made in the foregoing are justified, the Utah mineral is prosopite. 1951 C. Palache et al. Dana's Syst. Mineral. (ed. 7) II. 122 In the United States, unaltered prosopite has been found in the cryolite-pegmatite on St. Peter's Dome,..Colorado. 1995 Mineral. Rec. 26 554/1 Prosopite is the most abundant alumino-fluoride mineral at the Morefield mine. This entry has been updated (OED Third Edition, June 2007; most recently modified version published online March 2022). < n.1854
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